let electron = require('electron');
let path = require('path');
let app = electron.app;
let BrowserWindow = electron.BrowserWindow;
let win = null;
function createWindow() {
    win = new BrowserWindow({ width: 800, height: 600 })
    win.loadURL(path.join('file:', __dirname, 'index.html'));
    win.webContents.openDevTools();
    win.on('close', () => {
        win = null;
    })
}
app.on('ready', createWindow)
app.on('window-all-closed',()=>{
    if(process.platform!=='darwin'){
        app.quit();
    }
})
app.on('activate',()=>{
    if(win===null){
        createWindow();
    }
})